Total Complaints
4 filings
SUBARU WRX STI · model year
4 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2015SUBARUWRX STI carries 4 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2015 WRX STI is engine with 2 filings, followed by structure:body (1) and fuel system, gasoline (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 14 investigation files overlapping the 2015 WRX STI. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
4 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ENGINE | 2 |
| STRUCTURE:BODY | 1 |
| FUEL SYSTEM, GASOLINE | 1 |
DRIVING DOWN THE ROAD AT APPROX 30MPH, HEARD A NOISE, CAR STALLED AND WOULD NOT START BACK UP, BROUGHT TO SUBARU DEALER WHERE I WAS TOLD IT WAS NOT UNDER WARRANTY DUE TO LACK OF OIL, GOT THE CAR BACK WITH THE ENGINE IN PIECES, FOUND THE PISTON OUT OF CYLINDER 2 AND PARTS OF THE RING LANDS WERE CRACKED OR MISSING. SUBARU REFUSED TO TAKE ACCOUNTABILITY FOR AN ISSUE WITH AN ENGINE COMPONENT BLAMING ME FOR NOT CHECKING THE OIL EVERY FILL UP WHEN I HAD THE OIL CHANGED EVERY 3000 MILES AND CHECKED IT ON A WEEKLY/BIWEEKLY BASIS.
Mileage: 42,000
SUBARU IS DENYING ME WARRANTY WORKS OF MY ENGINE'S PISTON RINGLAND FAILURE THAT HAPPENED WITHIN THE 60,000 MILES POWERTRAIN WARRANTY AND BLAMING IT ON MODIFICATIONS. THE ONLY MODIFICATIONS THAT I HAVE ON THE CAR ARE THE FOLLOWING: -TOMEI CATBACK EXHAUST SYSTEM -BEATRUSH MOTOR MOUNTS -BEATRUSH TRANSMISSION MOUNT -BEATRUSH PITCHSTOP MOUNT. -CSF RADIATOR -IAG AIR OIL SEPARATOR NONE OF THE ABOVE MODIFICATIONS CHANGE THE SOFTWARE OF THE CAR OR CAN HAVE ANY AFFECT ON THE PISTONS TO CAUSE FAILURE. MOST OF THESE MODIFICATIONS HAVE BEEN ON MY CAR SINCE THIS ISSUE STARTED BACK ON JULY 31, 2015. THIS ALL STARTED BACK ON 7/31/2015 WHEN MY CAR (WITH 33,979 MILES) GAVE ME A CHECK ENGINE LIGHT. I PLUGGED IN A DIAGNOSTIC TOOL CALLED KIWI 2 INTO THE ODB 2 PORT TO READ THE CEL CODE. CODE CAME OUT AS P000D. I BROUGHT THE CAR TO SUBARU. THE DEALERSHIP STATED THAT THE CODE COULD BE FROM THE DEVICE PLUGGED INTO THE ODB2 PORT AND RELEASED THE CAR BACK TO ME. FROM THIS POINT ON, SUBARU RED FLAGG
Mileage: 34,615
WHEN PULLING THE FUEL DOOR RELEASE LEVER THE DOOR FAILS TO OPEN. HAPPENED ONCE A LITTLE OVER A YEAR AGO. THEN ABOUT 2 MONTHS AGO IT WAS EVERY OTHER TIME I NEEDED TO FILL UP. NOW IT'S EVERY SINGLE TIME. I FUEL UP EVERY 4-5 DAYS AND IT'S STARTING TO BECOME A HASSLE. I PICK UP MY WIFE FROM WORK SO THAT'S WHEN I DECIDE TO FUEL UP, SHE REACHES OVER AND PULLS THE LEVER MULTIPLE TIMES WHILE I SLIP MY ID/DEBIT CARD THROUGH THE GAP TO POP OPEN THE FUEL DOOR OPEN. SOMETIMES THE DOOR POPS OPEN A BIT WHERE I CAN PULL IT OPEN WITH MY NAILS. IT NEVER FULLY OPENS HOW IT USED TO BEFORE LIKE WHEN I BOUGHT IT. WHEN I'M BY MYSELF SELF I DRIVE OVER BUMPS WHILE PULLING THE RELEASE LEVER REALLY QUICKLY, NOT TO MENTION HOW DANGEROUS IT IS BECAUSE I HAVE TO REACH DOWN WHILE DRIVING. SOMETIMES IT OPENS RIGHT AWAY WHEN I HIT SOME BUMPS SOMETIMES IT TAKES A WHILE. JUST THINKING ABOUT GETTING STRANDED BECAUSE I CAN'T GET IT TO OPEN REALLY WORRIES ME. LOVE MY CAR, HAD IT FOR ALMOST 3 YEARS AND THIS IS THE ONLY THI
Mileage: 24,000
WHEN PULLING THE FUEL DOOR RELEASE LEVER THE DOOR FAILS TO OPEN. HAPPENED ONCE A LITTLE OVER A YEAR AGO. THEN ABOUT 2 MONTHS AGO IT WAS EVERY OTHER TIME I NEEDED TO FILL UP. NOW IT'S EVERY SINGLE TIME. I FUEL UP EVERY 4-5 DAYS AND IT'S STARTING TO BECOME A HASSLE. I PICK UP MY WIFE FROM WORK SO THAT'S WHEN I DECIDE TO FUEL UP, SHE REACHES OVER AND PULLS THE LEVER MULTIPLE TIMES WHILE I SLIP MY ID/DEBIT CARD THROUGH THE GAP TO POP OPEN THE FUEL DOOR OPEN. SOMETIMES THE DOOR POPS OPEN A BIT WHERE I CAN PULL IT OPEN WITH MY NAILS. IT NEVER FULLY OPENS HOW IT USED TO BEFORE LIKE WHEN I BOUGHT IT. WHEN I'M BY MYSELF SELF I DRIVE OVER BUMPS WHILE PULLING THE RELEASE LEVER REALLY QUICKLY, NOT TO MENTION HOW DANGEROUS IT IS BECAUSE I HAVE TO REACH DOWN WHILE DRIVING. SOMETIMES IT OPENS RIGHT AWAY WHEN I HIT SOME BUMPS SOMETIMES IT TAKES A WHILE. JUST THINKING ABOUT GETTING STRANDED BECAUSE I CAN'T GET IT TO OPEN REALLY WORRIES ME. LOVE MY CAR, HAD IT FOR ALMOST 3 YEARS AND THIS IS THE ONLY THI
Mileage: 24,000
Occupant Detection System (ODS) Failure
Passenger Front Air Bag Suppression
Front suspension control arm failure
FUEL PUMP LEAKS
FUEL LINE LEAK
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.